public class Homolosine extends MapProjection
| Modifier and Type | Class and Description |
|---|---|
static class |
Homolosine.Provider
The math transform
provider for the Homolosine projection (not part of the EPSG database).
|
MapProjection.AbstractProvidercentralMeridian, en0, en1, en2, en3, en4, excentricity, excentricitySquared, falseEasting, falseNorthing, globalScale, invertible, isSpherical, latitudeOfOrigin, LOGGER, scaleFactor, semiMajor, semiMinor, SKIP_SANITY_CHECKSSINGLE_LINE| Modifier | Constructor and Description |
|---|---|
protected |
Homolosine(ParameterDescriptorGroup descriptors,
ParameterValueGroup parameters)
Constructs a new map projection from the supplied parameters.
|
| Modifier and Type | Method and Description |
|---|---|
protected double |
computeOffset()
Computes the Northing difference between Sinusoidal and Mollweide at the threshold latitude.
|
ParameterDescriptorGroup |
getParameterDescriptors()
Returns the parameter descriptors for this map projection.
|
protected Point2D |
inverseTransformNormalized(double x,
double y,
Point2D ptDst)
Transforms the specified (x,y) coordinates and stores the result in
ptDst. |
protected Point2D |
transformNormalized(double lam,
double phi,
Point2D ptDst)
Transforms the specified (λ,φ) coordinates (units in
radians) and stores the result in
ptDst (linear distance on a unit sphere). |
protected double |
wrapLatitude(double phi)
Wraps latitude angles around.
|
protected double |
wrapLongitude(double lam)
Wraps longitude angles around.
|
checkReciprocal, equals, getParameterValues, getSourceDimensions, getTargetDimensions, getToleranceForAssertions, hashCode, inv_mlfn, inverse, mlfn, orthodromicDistance, resetWarnings, transform, transform, transformcreateTransformedShape, derivative, derivative, ensureNonNull, formatWKT, getName, isIdentity, needCopy, normalizeAngle, rollLongitude, transform, transform, transformcleanupThreadLocals, toString, toWKT, toWKT, toWKT, toWKTcreateTransformedShape, derivativederivative, isIdentity, toWKT, transform, transform, transformprotected Homolosine(ParameterDescriptorGroup descriptors, ParameterValueGroup parameters) throws ParameterNotFoundException
parameters - The parameter values in standard units.ParameterNotFoundException - if a mandatory parameter is missing.public ParameterDescriptorGroup getParameterDescriptors()
MapProjection.getParameterValues(), as well as arguments checking.getParameterDescriptors in class MapProjectionnull.OperationMethod.getParameters()protected double computeOffset()
throws ProjectionException
ProjectionExceptionprotected double wrapLongitude(double lam)
throws ProjectionException
lam - A longitude angle in radians .ProjectionExceptionprotected double wrapLatitude(double phi)
throws ProjectionException
phi - A latitude angle in radians.ProjectionExceptionprotected Point2D transformNormalized(double lam, double phi, Point2D ptDst) throws ProjectionException
ptDst (linear distance on a unit sphere).transformNormalized in class MapProjectionlam - The longitude of the coordinate, in radians.phi - The latitude of the coordinate, in radians.ptDst - the specified coordinate point that stores the result of transforming ptSrc, or null. Ordinates will be in a dimensionless unit, as a linear distance
on a unit sphere or ellipse.lambda, phi) and storing the
result in ptDst.ProjectionException - if the point can't be transformed.protected Point2D inverseTransformNormalized(double x, double y, Point2D ptDst) throws ProjectionException
ptDst.inverseTransformNormalized in class MapProjectionx - The easting of the coordinate, linear distance on a unit sphere or ellipse.y - The northing of the coordinate, linear distance on a unit sphere or ellipse.ptDst - the specified coordinate point that stores the result of transforming ptSrc, or null. Ordinates will be in radians.x, y and storing the result
in ptDst.ProjectionException - if the point can't be transformed.Copyright © 1996–2021 Geotools. All rights reserved.